Articles | Volume 11, issue 8
https://doi.org/10.5194/amt-11-4797-2018
https://doi.org/10.5194/amt-11-4797-2018
Research article
 | 
16 Aug 2018
Research article |  | 16 Aug 2018

Portable ozone calibration source independent of changes in temperature, pressure and humidity for research and regulatory applications

John W. Birks, Craig J. Williford, Peter C. Andersen, Andrew A. Turnipseed, Stanley Strunk, and Christine A. Ennis

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Interactive discussion

Status: closed
Status: closed
AC: Author comment | RC: Referee comment | SC: Short comment | EC: Editor comment
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Peer-review completion

AR: Author's response | RR: Referee report | ED: Editor decision
AR by Andrew Turnipseed on behalf of the Authors (02 Jul 2018)  Author's response   Manuscript 
ED: Publish subject to minor revisions (review by editor) (18 Jul 2018) by Andreas Hofzumahaus
AR by Andrew Turnipseed on behalf of the Authors (23 Jul 2018)  Author's response   Manuscript 
ED: Publish as is (30 Jul 2018) by Andreas Hofzumahaus
AR by Andrew Turnipseed on behalf of the Authors (06 Aug 2018)
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Short summary
A highly portable ozone calibration source based on the photolysis of oxygen is described and evaluated. The ozone mixing ratio produced is independent of both pressure and temperature, and humidity effects are small and correctable. The resulting O3 calibrator has a response time < 20 s, a precision of 0.4 %, and can serve as a U.S. EPA level 4 transfer standard for the calibration of ozone analyzers.